... Video, and ADPCM for Audio. ·Mask function at any zone to any channel. ·Image quality level, frames rate adjustable. ·Multi- ... level user management, ·Remote setting for video shielding to any channel.; Remote talking, Matrix output·E ... RemoteISDN, DDN, PSTN, LAN, WAN, Internet, ADSL, Modem; Multi-channel remote viewing through IE or client software at same time ...